package text;

public class StringBufferText {
    public static void main(String[] args) {
        StringBuffer sb1=new StringBuffer();
        System.out.println(sb1.length());
        sb1.append("abc\n");
        System.out.println(sb1.length());
        sb1.insert(1,"F");
        System.out.println(sb1);
        System.out.println("Hello");
        sb1.delete(3,4);
        System.out.println(sb1);
    }
}
